ETSI TS 100 392-3-8-2018 Terrestrial Trunked Radio (TETRA) Voice plus Data (V+D) Part 3 Interworking at the Inter-System Interface (ISI) Sub-part 8 Generic Speech Format Implementa.pdf

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1、 ETSI TS 100 392-3-8 V1.3.1 (2018-05) Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 3: Interworking at the Inter-System Interface (ISI); Sub-part 8: Generic Speech Format Implementation TECHNICAL SPECIFICATION ETSI ETSI TS 100 392-3-8 V1.3.1 (2018-05) 2Reference RTS/TCCE-03245 Keywo

2、rds interworking, radio, TETRA, V+D ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice The present

3、 document can be downloaded from: http:/www.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and/or print versions of the present document shall not be modified without the prior written authorization of ETSI.

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5、document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at https:/portal.etsi.org/TB/ETSIDeliverableStatus.aspx If you find errors in the present document, please send your comment to one of the following services: http

6、s:/portal.etsi.org/People/CommiteeSupportStaff.aspx Copyright Notification No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm except as authorized by written permission of ETSI. The content of the PDF version shall not be

7、 modified without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. ETSI 2018. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are trademarks of ETSI registered for the benefit of its Members. 3GPPTM and LTETMare tra

8、demarks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. oneM2M logo is protected for the benefit of its Members. GSMand the GSM logo are trademarks registered and owned by the GSM Association. ETSI ETSI TS 100 392-3-8 V1.3.1 (2018-05) 3Contents Intellectual

9、 Property Rights 4g3Foreword . 4g3Modal verbs terminology 5g3Introduction 5g31 Scope 6g32 References 6g32.1 Normative references . 6g32.2 Informative references 6g33 Definitions and abbreviations . 7g33.1 Definitions 7g33.2 Abbreviations . 7g34 Overview 8g35 ISI Traffic PDU format and procedures . 8

10、g35.1 General on ISI traffic PDU contents. 8g35.2 TETRA ISI payload 8g35.2.1 TETRA ISI payload encoding 8g35.2.2 ISI Traffic PDU 9g35.3 ISI Traffic PDU information elements . 9g35.3.1 ISI PDU framing rate 9g35.3.2 ISI PDU frame number . 9g35.3.3 Information element control . 10g35.3.4 Additional inf

11、ormation . 10g35.3.5 Call reference 10g35.3.6 Traffic type . 11g35.3.7 Contents control 11g35.3.8 Contents control and payload 11g3Annex A (informative): TETRA ISI channel mapping . 13g3A.1 TETRA ISI channel mapping for E1 B-channels . 13g3Annex B (normative): User information transport over E1 . 14

12、g3B.1 General . 14g3B.2 LAPF Usage . 14g3B.3 HDLC usage . 15g3Annex C (informative): Physical layer and mapping 17g3C.1 Physical layer . 17g3C.2 Mapping structure 17g3Annex D (normative): User information transport in RTP session . 18g3D.1 General . 18g3D.2 RTP usage 18g3Annex E (informative): Chang

13、e requests . 19g3History 20g3ETSI ETSI TS 100 392-3-8 V1.3.1 (2018-05) 4Intellectual Property Rights Essential patents IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available f

14、or ETSI members and non-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (htt

15、ps:/ipr.etsi.org/). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, esse

16、ntial to the present document. Trademarks The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners. ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no right to use or reproduce a

17、ny trademark and/or tradename. Mention of those trademarks in the present document does not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks. Foreword This Technical Specification (TS) has been produced by ETSI Technical Committee TETRA and Cr

18、itical Communications Evolution (TCCE). The present document is part 3, sub-part 8 of a multi-part deliverable covering the Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D), as identified below: Part 1: “General network design“; Part 2: “Air Interface (AI)“; Part 3: “Interworking at the Inte

19、r-System Interface (ISI)“: Sub-part 1: “General design“; Sub-part 2: “Additional Network Feature Individual Call (ANF-ISIIC)“; Sub-part 3: “Additional Network Feature Group Call (ANF-ISIGC)“; Sub-part 4: “Additional Network Feature Short Data Service (ANF-ISISDS)“; Sub-part 5: “Additional Network Fe

20、ature for Mobility Management (ANF-ISIMM)“; Sub-part 6: “Speech format implementation for circuit mode transmission“; Sub-part 7: “Speech Format Implementation for Packet Mode Transmission“; Sub-part 8: “Generic Speech Format Implementation“; Sub-part 9: “Transport layer independent, General design“

21、; Sub-part 10: “General design, PSS1 over E.1“; Sub-part 11: “General design, SIP/IP“; Sub-part 12: “Transport layer independent Additional Network Feature Individual Call (ANF-ISIIC)“; Sub-part 13: “Transport layer independent Additional Network Feature Group Call (ANF-ISIGC)“; Sub-part 14: “Transp

22、ort layer independent Additional Network Feature Short Data Service (ANF-ISISDS)“; ETSI ETSI TS 100 392-3-8 V1.3.1 (2018-05) 5Sub-part 15: Transport layer independent Additional Network Feature, Mobility Management (ANF-ISIMM)“; Part 4: “Gateways basic operation“; Part 5: “Peripheral Equipment Inter

23、face (PEI)“; Part 7: “Security“; Part 9: “General requirements for supplementary services“; Part 10: “Supplementary services stage 1“; Part 11: “Supplementary services stage 2“; Part 12: “Supplementary services stage 3“; Part 13: “SDL model of the Air Interface (AI)“; Part 14: “Protocol Implementati

24、on Conformance Statement (PICS) proforma specification“; Part 15: “TETRA frequency bands, duplex spacings and channel numbering“; Part 16: “Network Performance Metrics“; Part 17: “TETRA V+D and DMO specifications“; Part 18: “Air interface optimized applications“. NOTE 1: Part 3, sub-parts 6 and 7 (S

25、peech format implementation), part 4, sub-part 3 (Data networks gateway), part 10, sub-part 15 (Transfer of control), part 13 (SDL) and part 14 (PICS) of this multi-part deliverable are in status “historical“ and are not maintained. NOTE 2: Some parts are also published as Technical Specifications s

26、uch as ETSI TS 100 392-2 and those may be the latest version of the document. For all subparts in the TETRA specification ETSI EN 300 392-3, “Interworking at the Inter-System Interface (ISI)“ the terms ISI and TETRA ISI are equivalent. Modal verbs terminology In the present document “shall“, “shall

27、not“, “should“, “should not“, “may“, “need not“, “will“, “will not“, “can“ and “cannot“ are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct c

28、itation. Introduction The present document defines the solution in the speech transportation format that applies in the ISI. The present document also describes the transportation of ISI speech transmission over E1 time-division multiplexed digital lines using LAPF/HDLC encapsulation (when ISI signa

29、lling uses PSS1 as transport layer) and over IP network using RTP and UDP encapsulation (when ISI signalling adopts SIP as transport layer). ETSI ETSI TS 100 392-3-8 V1.3.1 (2018-05) 61 Scope The present document specifies speech transmission format implementation independent of SwMI type. The prese

30、nt document defines the format of user information that is transported between two SwMIs using the TETRA ISI. The present document covers how TETRA air interface circuit mode traffic is encoded for transport over various media. 2 References 2.1 Normative references References are either specific (id

31、entified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any amendments) applies. Referenced documents which are not found t

32、o be publicly available in the expected location might be found at https:/docbox.etsi.org/Reference/. NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee their long term validity. The following referenced documents are necessary for the app

33、lication of the present document. 1 ETSI EN 300 392-2: “Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 2: Air Interface (AI)“. 2 ETSI EN 300 392-3-1: “Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 3: Interworking at the Inter-System Interface (ISI); Sub-part 1: Gener

34、al Design“. 3 ETSI EN 300 395-2: “Terrestrial Trunked Radio (TETRA); Speech codec for full-rate traffic channel; Part 2: TETRA codec“. 4 ETSI ETS 300 402-3: “Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) protocol; Data link layer; Part 3: Frame relay

35、 protocol specification“. 5 IETF RFC 3550: “RTP: A Transport Protocol for Real Time Applications“. 6 IETF RFC 4566: “SDP: Session Description Protocol“. 7 ETSI TS 100 392-3-10: “Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 3: Interworking at the Inter-System Interface (ISI); Sub-pa

36、rt 10: General design, PSS1 over E.1“. 2.2 Informative references References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of th

37、e referenced document (including any amendments) applies. NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee their long term validity. The following referenced documents are not necessary for the application of the present document but the

38、y assist the user with regard to a particular subject area. i.1 Recommendation ITU-T G.703: “Physical/electrical characteristics of hierarchical digital interfaces“. ETSI ETSI TS 100 392-3-8 V1.3.1 (2018-05) 7i.2 Recommendation ITU-T G.704: “Synchronous frame structures used at 1544, 6312, 2048, 844

39、8 and 44 736 kbit/s hierarchical levels“. i.3 Recommendation ITU-T I.431: “Primary rate User-Network interface - Layer 1 specification“. i.4 Recommendation ITU-T I.233.1: “ISDN Frame Relaying Bearer Service“. i.5 Recommendation ITU-T Q.922: “Digital subscriber Signalling System No. 1 (DSS 1); Data L

40、ink Layer; ISDN Data Link Layer Specification for Frame Mode Bearer Services“. i.6 ETSI TS 100 392-1: “Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 1: General network design“. 3 Definitions and abbreviations 3.1 Definitions For the purposes of the present document, the following te

41、rms and definition applies: ISI PDU frame rate: nominal time between start of two consecutive ISI Traffic PDUs NOTE: There may be gaps in the flow of the ISI speech frames so that a ISI speech frame is missing in its normal time position. 3.2 Abbreviations For the purposes of the present document, t

42、he following abbreviations apply: ACELP Algebraic CELP AI Air InterfaceBECN Backward Explicit Congestion Notification CR Change Request CSRC Contributing Source DE Discard Eligibility indicator DLCI Data Link Connection Identifier DMO Direct Mode Operation E1 European format for digital transmission

43、 ETS European Technical Specification FCS Frame Check Sequence FECN Forward Explicit Congestion Notification HDLC High level Data Link Control IETF Internet Engineering Task Force ISDN Integrated Services Digital Network IP Internet protocol ISI Inter System Interface ITU-T International Telecommuni

44、cation Union Telecommunication Standardization Sector LAPF Link Access Procedures to Frame mode bearer services MAC Media Access Control MS Mobile Station PDU Protocol Data Unit PEI Peripheral Equipment Interface PICS Protocol Implementation Conformance Statement PSS1 Private Network Signalling Syst

45、em Number 1 PVC Permanent Virtual Circuit RFC Request For CommentRoHC Robust header Compression RTCP Real-time Control Protocol RTP Real-time Transport Protocol SDL Specification and Description Language ETSI ETSI TS 100 392-3-8 V1.3.1 (2018-05) 8SIP Session Initiation Protocol SSRC Synchronization

46、SourceSwMI Switching and Management Infrastructure TDMA Time Division Multiple Access TETRA Terrestrial Trunked Radio UDP User Datagram Protocol V+D Voice plus Data 4 Overview Independently of SwMI implementation, TETRA speech and circuit mode data traffic and U-plane payload is carried in packets b

47、etween two TETRA systems. The TETRA traffic and U-plane payload is carried in ISI traffic PDUs that may be transported in various media. Since the transmission defined in the present document is “packet mode“, packets may be subject to jitter. The maximum jitter is a SwMI specific characteristic. Th

48、e value of the allowable maximum jitter value is outside the scope of the present document. 5 ISI Traffic PDU format and procedures 5.1 General on ISI traffic PDU contents As TETRA is a radio system normally at least one end of the communication is using air interface. The structure of the TETRA air

49、 interface sets some requirements on the ISI traffic PDU contents and format on the ISI. The main structure of the air interface and speech encoding is retained and ISI traffic PDU supports: 170/3 ms (56,67 ms) and 60 ms ISI traffic PDU rate; ACELP speech coding and reservation for other codecs; and Call reference. The call reference is used to link the traffic and call instance together especially in scenarios where no virtual connection is applied. Optionally a fully stolen or otherwise not available speech frame may be indicated to help an